Pioneer PDP-4271HD Service Manual page 67
Plasma display system
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Also See for PDP-4271HD:
- Operating instructions manual (292 pages) ,
- Specification (2 pages) ,
- Service manual (39 pages)
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5
42 DIGITAL ASSY
CN3505 (D19) ↔ 42 X DRIVE ASSY CN1001 (X1)
Pin
Pin Name
I/O
No.
1
PSW
O
Function standby control signal
2
XSUS_PD
I
X drive PD signal
3
XDD_PD
I
X drive PD signal
4
XDRV_PD
I
X drive PD signal
5
GND
–
GND
6
XRsv1
I
X drive control signal (reserve)
7
XSUS-MSK
I
X drive control signal
8
GND
–
GND
9
XNR-D
O
X drive control signal
10
GND
–
GND
11
XSUS-G
O
X drive control signal
12
GND
–
GND
13
XSUS-D
O
X drive control signal
14
GND
–
GND
15
XSUS-U
O
X drive control signal
16
GND
–
GND
17
XSUS-B
O
X drive control signal
18
GND
–
GND
5
6
Voltage
Function
TP
(V)
0
TP3519
0
TP3513
0
TP3514
0
TP3515
–
–
–
–
0 to 3.3
–
–
–
0 to 3.3
–
–
–
0 to 3.3
–
–
–
0 to 3.3
–
–
–
0 to 3.3
–
–
–
0 to 3.3
–
–
–
6
7
CN3506 (D20) ↔ 42 Y DRIVE ASSY CN2001 (Y1)
Pin
Pin Name
I/O
No.
1
GND
–
GND
2
SCN5V_PD
I
Y drive PD signal
3
SI_L
O
Scan control signal
4
SI_H
O
Scan control signal
5
GND
–
GND
6
CLR
O
Scan control signal
7
CLK
O
Scan control signal
8
GND
–
GND
9
LE
O
Scan control signal
10
OC2
O
Scan control signal
11
OC1 (–1)
O
Scan control signal
12
GND
–
GND
13
YSUS-B
O
Y drive control signal
14
YSUS-U
O
Y drive control signal
15
GND
–
GND
16
YSUS-D
O
Y drive control signal
17
YSUS-G
O
Y drive control signal
18
GND
–
GND
19
YPR-U
O
Y drive control signal
20
YRsv1
–
Y drive control signal (reserve)
21
GND
–
GND
22
YSUS-MSK
O
Y drive control signal
23
YNRST
O
Y drive control signal
24
YRsv2
–
Y drive control signal (reserve)
25
GND
–
GND
26
YENOFS
O
Y drive control signal
27
YRsv3
O
Y drive control signal (reserve)
28
YSOFT-D
O
Y drive control signal
29
GND
–
GND
30
VOFS_ADJ
–
Vofs offset adjustment
31
VYPRST_ADJ
O
Reset voltage adjustment
32
GND
–
GND
33
GND
–
GND
34
N.C
–
Non connection
35
GND
–
GND
36
YDD_PD
I
Y drive PD signal
37
YSUS_PD
I
Y drive PD signal
38
SCAN_PD
I
Y drive PD signal
39
YDRV_PD
I
Y drive PD signal
40
PSW
O
Function standby control signal
PDP-4271HD
7
8
Voltage
Function
TP
(V)
–
–
0
TP3507
0 to 3.3
–
0 to 3.3
–
–
–
0 to 3.3
–
0 to 3.3
–
–
–
0 to 3.3
–
0 to 3.3
–
0 to 3.3
–
–
–
0 to 3.3
–
0 to 3.3
–
–
–
0 to 3.3
–
0 to 3.3
–
–
–
0 to 3.3
–
–
–
–
–
0 to 3.3
–
0 to 3.3
–
–
–
–
–
0 to 3.3
–
–
–
0 to 3.3
–
–
–
1.85
TP3181
1.21
TP3182
–
–
–
–
–
–
–
–
0
TP3509
0
TP3510
0
TP3511
0
TP3512
0
TP3518
8
A
B
C
D
E
F
67
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